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propeller optimization
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asarangan(at)YAHOO.COM
Guest

Posted: Mon May 28, 2007 1:38 pm Post subject: propeller optimization

I am not even close to choosing a propeller, but I am a bit surprised

by the varied opinions on this subject. I would think the design of the

propeller would rank only second in importance to the wing itself, and

that the prop should be carefully chosen or custom made considering the

airframe, engine and speeds. 



We go through significant measures to reduce airframe drag, and worry

about every extra ounce of dead weight during construction, a prop

efficiency variation of just 10% would seem to take away all those

factors. 



I hope you guys have this prop debate all sorted out by the time I get

to it

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grahamsingleton(at)btinte
Guest

Posted: Tue May 29, 2007 6:09 am Post subject: propeller optimization

Karel

I think it is because Arplast don't talk good English and Airmaster 

don't talk good French. Sad, I did told them both! Airmaster did ask the 

question but got no reasonable answer.

I can recommend the Arplast prop but the engineering is not quite as 

elegant as the Airmaster and maybe the Woodcomp.

The Arplast fixed pitch prop is also excellent but in the case of the 

factory I think "it wasn't invented here" may have something to do with 

the decision to stick with Warp.

Graham



karelvranken wrote:

[quote] 

 <karelvranken(at)hotmail.com>

 

 Graham,

 For the first time your explanation doesn't seem very clear to me. I 

 thought today there would be a more scientific approach when making a 

 propeller and its application. If the Warp blade is so few adequate for 

 the Europa and Arplast so good then why don't we have the choice since 

 Airmaster is not the manufacturer of the blades?

 Best regards,

 Karel Vranken.

 ---

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